CN215892821U - CO (carbon monoxide)2Refrigerant air conditioner - Google Patents
CO (carbon monoxide)2Refrigerant air conditioner Download PDFInfo
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- CN215892821U CN215892821U CN202121577339.XU CN202121577339U CN215892821U CN 215892821 U CN215892821 U CN 215892821U CN 202121577339 U CN202121577339 U CN 202121577339U CN 215892821 U CN215892821 U CN 215892821U
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Abstract
The utility model disclosesCO (carbon monoxide)2A refrigerant air conditioner relates to the technical field of refrigerant air conditioners and aims to realize two functions of refrigeration and heating effectively under a simple structure, a first refrigerant processing module and an air suction end of an indoor unit, the end that induced drafts of off-premises station and the first port of regenerator are connected to the cross valve respectively, the liquid exchange end of off-premises station is connected to first check valve and first solenoid valve, the liquid exchange end of indoor set is connected to second check valve and second solenoid valve, the output of first check valve and second check valve is connected to the regenerator jointly, first solenoid valve is connected to the third check valve, the second solenoid valve is connected to the fourth check valve, the input of third check valve and fourth check valve is connected to second refrigerant processing module jointly, second refrigerant processing module is connected to the regenerator, the regenerator is connected to first refrigerant processing module, realized being convenient for use and refrigerate and heat effectual CO.2And (5) refrigerant air conditioning.
Description
Technical Field
The utility model relates to the technical field of refrigerant air conditioners, in particular to CO2And (5) refrigerant air conditioning.
Background
Refrigerants are working fluids used in systems such as refrigeration and air conditioning systems to transfer heat energy and produce a refrigeration effect. The refrigerant can be classified into a primary refrigerant and a secondary refrigerant according to the working mode. The refrigerant can be classified into natural refrigerant and synthetic refrigerant according to material properties. CO 22Refrigerant air conditioning systems are more complex and structurally diverse than traditional refrigerant systems.
For convenience of CO2The installation and the use of the refrigerant air conditioner ensure that CO realizes the most basic effective refrigeration and heating at the same time2It is also important that the structure of the refrigerant air conditioner is not excessively complicated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses CO2The refrigerant air conditioner aims at realizing two functions of cooling and heating effectively under simple structure.
CO (carbon monoxide)2The refrigerant air conditioner comprises a first refrigerant processing module, a second refrigerant processing module, a four-way valve, an indoor unit, an outdoor unit, a heat regenerator, 4 one-way valves and 2 electromagnetic valves.
The output end of the first refrigerant processing module, the air suction end of the indoor unit, the air suction end of the outdoor unit and the first port of the heat regenerator are respectively connected to one port of the four-way valve, the liquid exchange end of the outdoor unit is connected to the input end of the first one-way valve and one end of the first electromagnetic valve, the liquid exchange end of the indoor unit is connected to the input end of the second one-way valve and one end of the second electromagnetic valve, the output end of the first one-way valve and the output end of the second one-way valve are jointly connected to the second port of the heat regenerator, the other end of the first electromagnetic valve is connected to the output end of the third one-way valve, the other end of the second electromagnetic valve is connected to the output end of the fourth one-way valve, the input ends of the third one-way valve and the fourth one-way valve are jointly connected to the output end of the second refrigerant processing module, the input end of the second refrigerant processing module is connected to the fourth port of the heat regenerator, and the third port of the heat regenerator is connected to the input end of the first refrigerant processing module.
Preferably, the first refrigerant processing module comprises CO2The device comprises a compressor, an oil separator, a gas-liquid separator and a first filter; the input end of the gas-liquid separator is the input end of the first refrigerant processing module, the output end of the gas-liquid separator is connected to the input end of the first filter, and the output end of the first filter is connected to the CO2Input of compressor, CO2The output of the compressor is connected to the input of an oil separator, CO2The compressor is connected with the oil separator through an oil return pipe, and the output end of the oil separator is the output end of the first refrigerant processing module.
Preferably, in said CO2A high pressure safety device is mounted on the line between the compressor and the oil separator.
Preferably, a low-pressure safety device is installed on a line between the gas-liquid separator and the regenerator.
Preferably, the second refrigerant processing module includes a liquid storage tank, a second filter and an electronic expansion valve, an input end of the liquid storage tank is an input end of the second refrigerant processing module, an output end of the liquid storage tank is connected to an input end of the second filter, an output end of the second filter is connected to an input end of the electronic expansion valve, and an output end of the electronic expansion valve is an output end of the second refrigerant processing module.
The two circuits are respectively used for refrigeration and heating, do not interfere with each other, and can realize effective refrigeration and heating; the refrigerant circulation work is carried out under the coordination of the first refrigerant processing module, the second refrigerant processing module, the four-way valve, the indoor unit, the outdoor unit, the heat regenerator, 4 one-way valves and 2 electromagnetic valves, the efficiency is high, and the cost is low; the high-pressure safety device and the low-pressure safety device on the first refrigerant processing module further guarantee the safety of the air conditioner working system; the whole air conditioning system is provided with common elements, is easy to assemble, has a simple structure and is convenient to apply to a plurality of scenes.
Drawings
FIG. 1 is CO of example 12A structural schematic diagram of a refrigerant air conditioner;
FIG. 2 shows CO in example 22A structural schematic diagram of a refrigerant air conditioner;
101-indoor unit, 102-four-way valve, 103-outdoor unit, 104-heat regenerator, 105-first one-way valve, 106-second one-way valve, 107-third one-way valve, 108-first electromagnetic valve, 109-second electromagnetic valve, 110-fourth one-way valve, 201-gas-liquid separator, 202-first filter, 203-CO2Compressor, 204-oil separator, 205-oil return pipe, 206-low pressure safety device, 207-high pressure safety device, 301-electronic expansion valve, 302-second filter, 303-liquid storage tank.
Detailed Description
Example 1
A CO as shown in FIG. 12The refrigerant air conditioner comprises a first refrigerant processing module, a second refrigerant processing module, a four-way valve 102, an indoor unit 101, an outdoor unit 103, a heat regenerator 104, 4 one-way valves and 2 electromagnetic valves.
The output end of the first refrigerant processing module, the suction end of the indoor unit 101, the suction end of the outdoor unit 103 and the first port of the heat regenerator 104 are respectively connected to one port of the four-way valve 102, the liquid exchange end of the outdoor unit 103 is connected to the input of the first one-way valve 105 and one end of the first solenoid valve 108, the liquid exchange end of the indoor unit 101 is connected to the input end of the second one-way valve 106 and one end of the second solenoid valve 109, the output end of the first one-way valve 105 and the output end of the second one-way valve 106 are commonly connected to the second port of the heat regenerator 104, the other end of the first solenoid valve 108 is connected to the output end of the third one-way valve 107, the other end of the second solenoid valve 109 is connected to the output end of the fourth one-way valve 110, the input ends of the third one-way valve 107 and the fourth one-way valve 110 are commonly connected to the output end of the second refrigerant processing module, the input end of the second refrigerant processing module is connected to the fourth port of the heat regenerator 104, a third port of the regenerator 104 is connected to an input of the first refrigerant processing module.
Example 2
CO of the example2The basic structure of the refrigerant air conditioner is based on embodiment 1. Specifically, the first refrigerant processing module comprises CO2A compressor 203, an oil separator 204, a gas-liquid separator 201, and a first filter 202; the input end of the gas-liquid separator 201 is the input end of the first refrigerant processing module, the output end of the gas-liquid separator 201 is connected to the input end of the first filter 202, and the output end of the first filter 202 is connected to the CO2Input of compressor 203, CO2The output of the compressor 203 is connected to the input of an oil separator 204, CO2The compressor 203 and the oil separator 204 are further connected by an oil return pipe 205, and the output end of the oil separator 204 is the output end of the first refrigerant processing module, in particular, the CO2A high pressure safety device 207 is installed on a line between the compressor 203 and the oil separator 204, and a low pressure safety device 206 is installed on a line between the gas-liquid separator 201 and the regenerator 104.
In addition, in this embodiment, the second refrigerant processing module includes a liquid storage tank 303, a second filter 302, and an electronic expansion valve 301, an input end of the liquid storage tank 303 is an input end of the second refrigerant processing module, an output end of the liquid storage tank 303 is connected to an input end of the second filter 302, an output end of the second filter 302 is connected to an input end of the electronic expansion valve 301, and an output end of the electronic expansion valve 301 is an output end of the second refrigerant processing module.
CO2The specific working mode of the refrigerant air conditioner is as follows:
in the heating process: CO 22 Compressor 203 doing work to convert CO2The refrigerant is compressed into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the oil separator 204, and CO is carried out by the oil separator 2042The lubricant oil of the compressor 203 is separated from the refrigerant and is supplemented with CO by the oil return pipe 2052 A compressor 203. High-temperature and high-pressure gas enters the indoor unit 101 through the four-way valve 102 to be cooled and radiated, so that the ambient temperature is heated. The refrigerant flowing through the indoor unit 101 is cooled to a medium-temperature and medium-pressure gas-liquid mixture, and the refrigerant reaches the liquid storage tank 303 to store liquid after passing through the first check valve 105 to the heat regenerator 104 for temperature reduction, specifically, the second electromagnetic valve 109 is closed and the first electromagnetic valve 108 is opened during heating. Part of the liquid refrigerant is filtered by the second filter 302 and then enters the electronic expansion valve 301, the liquid controlled by the electronic expansion valve 301 enters the outdoor unit 103 through the third one-way valve 107 and the first electromagnetic valve 108 to be evaporated, the evaporated refrigerant is changed into low-temperature and low-pressure gas, the low-temperature and low-pressure gas enters the heat regenerator 104 through the four-way valve 102 to cool the middle-temperature part of the refrigerant, the low-temperature and low-pressure gas returns to the gas-liquid separator 201 after being overheated, and the separated low-temperature and low-pressure dry evaporation gas returns to the CO after being filtered by the first filter 202 and then returns to the CO2The suction port of the compressor 203 completes a heating cycle.
In the refrigeration process: CO 22 Compressor 203 doing work to convert CO2The refrigerant is compressed into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the oil separator 204, and CO is carried out by the oil separator 2042The lubricating oil of the compressor 203 is separated from the refrigerant and supplemented with CO by the oil return pipe 2052 A compressor 203. The high-temperature and high-pressure gas is reversed by the four-way valve 102 and enters the outdoor unit 103 for cooling and heat dissipation. The refrigerant cooled by the outdoor unit 103 is a medium-temperature and medium-pressure gas-liquid mixture, and the refrigerant reaches the liquid storage tank 303 to store liquid after passing through the second check valve 106 to the heat regenerator 104 for temperature reduction, specifically, the first electromagnetic valve 108 is closed and the second electromagnetic valve 109 is opened during refrigeration. Part of the liquid refrigerant is filtered by the filter and then enters the electronic expansion valve 301, the liquid sprayed by the electronic expansion valve 301 enters the indoor unit 101 through the fourth one-way valve 110 and the second electromagnetic valve 109 for evaporation, and the ambient temperature is reduced by evaporation and heat absorption. The evaporated refrigerant is changed into low-temperature low-pressure gas, the low-temperature low-pressure gas is reversed by the four-way valve 102, enters the heat regenerator 104 to cool the medium-temperature part of the refrigerant, returns to the gas-liquid separator 201 after being overheated, and returns to CO after being filtered by the filter2The suction port of the compressor 203 completes a refrigeration cycle.
Claims (5)
1. CO (carbon monoxide)2Refrigerant air conditioner, its special featureCharacterized in that: the system comprises a first refrigerant processing module, a second refrigerant processing module, a four-way valve (102), an indoor unit (101), an outdoor unit (103), a heat regenerator (104), 4 one-way valves and 2 electromagnetic valves;
the output end of the first refrigerant processing module, the suction end of the indoor unit (101), the suction end of the outdoor unit (103) and the first port of the heat regenerator (104) are respectively connected to one port of the four-way valve (102), the liquid exchange end of the outdoor unit (103) is connected to the input of the first one-way valve (105) and one end of the first electromagnetic valve (108), the liquid exchange end of the indoor unit (101) is connected to the input end of the second one-way valve (106) and one end of the second electromagnetic valve (109), the output end of the first one-way valve (105) and the output end of the second one-way valve (106) are commonly connected to the second port of the heat regenerator (104), the other end of the first electromagnetic valve (108) is connected to the output end of the third one-way valve (107), the other end of the second electromagnetic valve (109) is connected to the output end of the fourth one-way valve (110), the input ends of the third one-way valve (107) and the fourth one-way valve (110) are commonly connected to the output end of the second refrigerant processing module, the input end of the second refrigerant processing module is connected to the fourth port of the heat regenerator (104), and the third port of the heat regenerator (104) is connected to the input end of the first refrigerant processing module.
2. CO according to claim 12Refrigerant air conditioner, its characterized in that: the first refrigerant processing module comprises CO2A compressor (203), an oil separator (204), a gas-liquid separator (201), and a first filter (202); the input end of the gas-liquid separator (201) is the input end of the first refrigerant processing module, the output end of the gas-liquid separator (201) is connected to the input end of the first filter (202), and the output end of the first filter (202) is connected to CO2Input of compressor (203), CO2The output of the compressor (203) is connected to the input of an oil separator (204), CO2The compressor (203) and the oil separator (204) are connected through an oil return pipe (205), and the output end of the oil separator (204) is the output end of the first refrigerant processing module.
3. CO according to claim 22Refrigerant air conditionerThe method is characterized in that: in the CO2A high pressure safety device (207) is installed on the line between the compressor (203) and the oil separator (204).
4. CO according to claim 22Refrigerant air conditioner, its characterized in that: and a low-pressure safety device (206) is arranged on a line between the gas-liquid separator (201) and the heat regenerator (104).
5. CO according to claim 12Refrigerant air conditioner, its characterized in that: the second refrigerant processing module comprises a liquid storage tank (303), a second filter (302) and an electronic expansion valve (301), the input end of the liquid storage tank (303) is the input end of the second refrigerant processing module, the output end of the liquid storage tank (303) is connected to the input end of the second filter (302), the output end of the second filter (302) is connected to the input end of the electronic expansion valve (301), and the output end of the electronic expansion valve (301) is connected to the output end of the second refrigerant processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121577339.XU CN215892821U (en) | 2021-07-12 | 2021-07-12 | CO (carbon monoxide)2Refrigerant air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121577339.XU CN215892821U (en) | 2021-07-12 | 2021-07-12 | CO (carbon monoxide)2Refrigerant air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215892821U true CN215892821U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121577339.XU Active CN215892821U (en) | 2021-07-12 | 2021-07-12 | CO (carbon monoxide)2Refrigerant air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN215892821U (en) |
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2021
- 2021-07-12 CN CN202121577339.XU patent/CN215892821U/en active Active
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